 /*******************************************************************************
  * Copyright (c) 2005, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ui.texteditor;

 import org.eclipse.jface.text.revisions.RevisionInformation;
 import org.eclipse.jface.text.source.Annotation;

 /**
  * Extension interface for {@link org.eclipse.ui.texteditor.ITextEditor}. Adds
  * the following functions:
  * <ul>
  * <li>annotation navigation</li>
  * <li>revision information display</li>
  * </ul>
  * <p>
  * This interface may be implemented by clients.
  * </p>
  *
  * @since 3.2
  */
 public interface ITextEditorExtension4 {

     /**
      * Jumps to the next annotation according to the given direction.
      *
      * @param forward <code>true</code> if search direction is forward, <code>false</code> if backward
      * @return the selected annotation or <code>null</code> if none
      */
     public Annotation gotoAnnotation(boolean forward);

     /**
      * Shows revision information in this editor.
      *
      * @param info the revision information to display
      * @param quickDiffProviderId the quick diff provider that matches the source of the revision
      * information
      */
     public void showRevisionInformation(RevisionInformation info, String quickDiffProviderId);
 }

